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Fig. 80 – Model half with points placed on frames, UG NX4 Connected points on frames will create fuselage stringers. If you want to have a very accurate grid model in <strong>PANUKL</strong> – create a large number of points. Number of points on a single frame must be the same for every fuselage frame. The only exception is fuselage start and end point. Remember: always think about number of grid panels - if you create more frames more frame points than the grid in <strong>PANUKL</strong> will be more complicated and the computations will last longer. Fig. 81 – Frame point distribution near area where wing intersect fuselage 68
In some fuselage areas you will have to adjust the position of points on frame. There are also locations where you will have to insert more than one frame point in the same place (see Fig. 81). Well positioned points on frames will create smooth shaped fuselage stringers. Fig. 82 – Fuselage points connected into fuselage stringers, UG NX4 Now we are ready to export all points from each frame to fuselage frame files. INFORMATION/ OBJECT/ POINT. Remember: to set proper names to consecutive frames, e.g.: w_1.txt – frame No.1. than w_2.txt – frame No.2 etc. It will help to avoid mistakes. Fig. 83 – Export fuselage frame points from UG NX4 69
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Version ENGV1 Warsaw, 01-04-2010 1
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3.3. Data flow In PANUKL during the
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1.1.2. Introduction The develop of
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Fig. 1 - Approximation of the body
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- lift force - drag force The aerod
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1.2.3. Main computational subprogra
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File [name.f] - fuselage geometry -
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File [name.ms2] - complete aircraft
Page 17 and 18: ottom # key word „bottom” or
Page 19 and 20: Fig. 6 - The example of „independ
Page 21 and 22: File [name.TXT] The results for pre
Page 23 and 24: File [name.CZY] Aerodynamic coeffic
Page 25 and 26: Fig. 13 - Destination Folder select
Page 27 and 28: 2.2. PANUKL installation guide in L
Page 29 and 30: Available options in FILE menu) Fun
Page 31 and 32: 3.1.2. DRAW menu description Availa
Page 33 and 34: Fig. 28 - Creating grid file for cu
Page 35 and 36: Trailing edge angle [deg] Neighbour
Page 37 and 38: Fig. 32 - Creating *.pan file Fig.
Page 39 and 40: Fig. 34 - Creating output result fi
Page 41 and 42: Downwash calculation: Number of mes
Page 43 and 44: Fig. 38 - External XFOIL program wi
Page 45 and 46: Fig. 41 - Selecting result file wit
Page 47 and 48: 3.1.6. TOOLS menu description Avail
Page 49 and 50: Fig. 48 - Graphic representation of
Page 51 and 52: 3.2. Computational procedure - diag
Page 53 and 54: 3.3. Data flow In PANUKL during the
Page 55 and 56: How it Works ? Option 1 - we do hav
Page 57 and 58: 4.2. Creation of complex computatio
Page 59 and 60: Step 4 Right side of the object is
Page 61 and 62: Important notes: What we should kno
Page 63 and 64: Main program options: Folder path f
Page 65 and 66: 4.4. How to export geometry from UG
Page 67: Remember: don’t insert DATUM PLAN
Page 71 and 72: Fig. 86 - Models prepared with the
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